* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include "config.h"
+
+#include <config.h>
#include "djvu-document.h"
#include "djvu-text.h"
#include "djvu-links.h"
#include "djvu-document-private.h"
#include "ev-document-thumbnails.h"
+#include "ev-file-exporter.h"
#include "ev-document-misc.h"
#include "ev-document-find.h"
#include "ev-document-links.h"
+#include "ev-selection.h"
+#include "ev-file-helpers.h"
-#include <libdjvu/ddjvuapi.h>
-#include <libdjvu/miniexp.h>
-#include <gtk/gtk.h>
#include <gdk-pixbuf/gdk-pixbuf-core.h>
+#include <glib/gi18n.h>
#include <glib/gunicode.h>
#include <string.h>
static void djvu_document_document_iface_init (EvDocumentIface *iface);
static void djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void djvu_document_file_exporter_iface_init (EvFileExporterIface *iface);
static void djvu_document_find_iface_init (EvDocumentFindIface *iface);
static void djvu_document_document_links_iface_init (EvDocumentLinksIface *iface);
+static void djvu_selection_iface_init (EvSelectionIface *iface);
-G_DEFINE_TYPE_WITH_CODE
- (DjvuDocument, djvu_document, G_TYPE_OBJECT,
+EV_BACKEND_REGISTER_WITH_CODE (DjvuDocument, djvu_document,
{
- G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, djvu_document_document_iface_init);
- G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init)
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, djvu_document_file_exporter_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, djvu_selection_iface_init);
});
{
ddjvu_context_t *ctx = djvu_document->d_context;
const ddjvu_message_t *msg;
+
if (!ctx)
return;
+
if (wait)
msg = ddjvu_message_wait (ctx);
+
while ((msg = ddjvu_message_peek (ctx))) {
switch (msg->m_any.tag) {
case DDJVU_ERROR:
g_warning ("DjvuLibre error: %s:%d",
msg->m_error.filename,
msg->m_error.lineno);
+ break;
default:
break;
}
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
ddjvu_document_t *doc;
gchar *filename;
+ gboolean missing_files = FALSE;
/* FIXME: We could actually load uris */
filename = g_filename_from_uri (uri, NULL, error);
doc = ddjvu_document_create_by_filename (djvu_document->d_context, filename, TRUE);
- if (!doc) return FALSE;
+ if (!doc) {
+ g_free (filename);
+ return FALSE;
+ }
if (djvu_document->d_document)
ddjvu_document_release (djvu_document->d_document);
djvu_document->d_document = doc;
while (!ddjvu_document_decoding_done (djvu_document->d_document))
- djvu_handle_events(djvu_document, TRUE);
+ djvu_handle_events (djvu_document, TRUE);
g_free (djvu_document->uri);
djvu_document->uri = g_strdup (uri);
+ if (ddjvu_document_get_type (djvu_document->d_document) == DDJVU_DOCTYPE_INDIRECT) {
+ gint n_files;
+ gint i;
+ gchar *base;
+
+ base = g_path_get_dirname (filename);
+
+ n_files = ddjvu_document_get_filenum (djvu_document->d_document);
+ for (i = 0; i < n_files; i++) {
+ struct ddjvu_fileinfo_s fileinfo;
+ gchar *file;
+
+ ddjvu_document_get_fileinfo (djvu_document->d_document,
+ i, &fileinfo);
+
+ if (fileinfo.type != 'P')
+ continue;
+
+ file = g_build_filename (base, fileinfo.id, NULL);
+ if (!g_file_test (file, G_FILE_TEST_EXISTS)) {
+ missing_files = TRUE;
+ g_free (file);
+
+ break;
+ }
+ g_free (file);
+ }
+ g_free (base);
+ }
+ g_free (filename);
+
+ if (missing_files) {
+ g_set_error (error,
+ G_FILE_ERROR,
+ G_FILE_ERROR_EXIST,
+ _("The document is composed by several files. "
+ "One or more of such files cannot be accessed."));
+
+ return FALSE;
+ }
+
return TRUE;
}
ddjvu_status_t r;
g_return_if_fail (djvu_document->d_document);
-
+
while ((r = ddjvu_document_get_pageinfo(djvu_document->d_document, page, &info)) < DDJVU_JOB_OK)
djvu_handle_events(djvu_document, TRUE);
-
+
if (r >= DDJVU_JOB_FAILED)
djvu_handle_events(djvu_document, TRUE);
*height = info.height * SCALE_FACTOR;
}
-static GdkPixbuf *
-djvu_document_render_pixbuf (EvDocument *document,
- EvRenderContext *rc)
+static cairo_surface_t *
+djvu_document_render (EvDocument *document,
+ EvRenderContext *rc)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
- GdkPixbuf *pixbuf;
- GdkPixbuf *rotated_pixbuf;
-
+ cairo_surface_t *surface;
+ gchar *pixels;
+ gint rowstride;
ddjvu_rect_t rrect;
ddjvu_rect_t prect;
ddjvu_page_t *d_page;
-
- double page_width, page_height;
+ ddjvu_page_rotation_t rotation;
+ double page_width, page_height, tmp;
+ static const cairo_user_data_key_t key;
d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page);
while (!ddjvu_page_decoding_done (d_page))
djvu_handle_events(djvu_document, TRUE);
-
- page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR;
- page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR;
- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, page_width, page_height);
-
- prect.x = 0; prect.y = 0;
- prect.w = page_width; prect.h = page_height;
+ page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR + 0.5;
+ page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR + 0.5;
+
+ switch (rc->rotation) {
+ case 90:
+ rotation = DDJVU_ROTATE_90;
+ tmp = page_height;
+ page_height = page_width;
+ page_width = tmp;
+
+ break;
+ case 180:
+ rotation = DDJVU_ROTATE_180;
+
+ break;
+ case 270:
+ rotation = DDJVU_ROTATE_270;
+ tmp = page_height;
+ page_height = page_width;
+ page_width = tmp;
+
+ break;
+ default:
+ rotation = DDJVU_ROTATE_0;
+ }
+#ifdef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
+ rowstride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, page_width);
+#else
+ rowstride = page_width * 4;
+#endif
+ pixels = (gchar *) g_malloc (page_height * rowstride);
+ surface = cairo_image_surface_create_for_data ((guchar *)pixels,
+ CAIRO_FORMAT_RGB24,
+ page_width,
+ page_height,
+ rowstride);
+ cairo_surface_set_user_data (surface, &key,
+ pixels, (cairo_destroy_func_t)g_free);
+ prect.x = 0;
+ prect.y = 0;
+ prect.w = page_width;
+ prect.h = page_height;
rrect = prect;
- ddjvu_page_render(d_page, DDJVU_RENDER_COLOR,
- &prect,
- &rrect,
- djvu_document->d_format,
- gdk_pixbuf_get_rowstride (pixbuf),
- (gchar *)gdk_pixbuf_get_pixels (pixbuf));
+ ddjvu_page_set_rotation (d_page, rotation);
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
- g_object_unref (pixbuf);
-
- return rotated_pixbuf;
+ ddjvu_page_render (d_page, DDJVU_RENDER_COLOR,
+ &prect,
+ &rrect,
+ djvu_document->d_format,
+ rowstride,
+ pixels);
+
+ return surface;
}
static void
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (object);
+ if (djvu_document->search)
+ djvu_text_free (djvu_document->search);
+
if (djvu_document->d_document)
ddjvu_document_release (djvu_document->d_document);
+
+ if (djvu_document->opts)
+ g_string_free (djvu_document->opts, TRUE);
+ if (djvu_document->ps_filename)
+ g_free (djvu_document->ps_filename);
+
ddjvu_context_release (djvu_document->d_context);
ddjvu_format_release (djvu_document->d_format);
+ ddjvu_format_release (djvu_document->thumbs_format);
g_free (djvu_document->uri);
G_OBJECT_CLASS (djvu_document_parent_class)->finalize (object);
gobject_class->finalize = djvu_document_finalize;
}
-static gboolean
-djvu_document_can_get_text (EvDocument *document)
-{
- return TRUE;
-}
-
-
-static char *
-djvu_document_get_text (EvDocument *document, int page, EvRectangle *rect)
-{
- DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
- double width, height;
- EvRectangle rectangle;
- char* text;
-
- djvu_document_get_page_size (document, page, &width, &height);
- rectangle.x1 = rect->x1 / SCALE_FACTOR;
- rectangle.y1 = (height - rect->y2) / SCALE_FACTOR;
- rectangle.x2 = rect->x2 / SCALE_FACTOR;
- rectangle.y2 = (height - rect->y1) / SCALE_FACTOR;
-
- text = djvu_text_copy (djvu_document, page, &rectangle);
-
- if (text == NULL)
- text = g_strdup ("");
-
- return text;
-}
-
static EvDocumentInfo *
djvu_document_get_info (EvDocument *document)
{
{
iface->load = djvu_document_load;
iface->save = djvu_document_save;
- iface->can_get_text = djvu_document_can_get_text;
- iface->get_text = djvu_document_get_text;
iface->get_n_pages = djvu_document_get_n_pages;
iface->get_page_size = djvu_document_get_page_size;
- iface->render_pixbuf = djvu_document_render_pixbuf;
+ iface->render = djvu_document_render;
iface->get_info = djvu_document_get_info;
}
+static gchar *
+djvu_selection_get_selected_text (EvSelection *selection,
+ EvRenderContext *rc,
+ EvSelectionStyle style,
+ EvRectangle *points)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (selection);
+ double width, height;
+ EvRectangle rectangle;
+ gchar *text;
+
+ djvu_document_get_page_size (EV_DOCUMENT (djvu_document),
+ rc->page, &width, &height);
+ rectangle.x1 = points->x1 / SCALE_FACTOR;
+ rectangle.y1 = (height - points->y2) / SCALE_FACTOR;
+ rectangle.x2 = points->x2 / SCALE_FACTOR;
+ rectangle.y2 = (height - points->y1) / SCALE_FACTOR;
+
+ text = djvu_text_copy (djvu_document, rc->page, &rectangle);
+
+ if (text == NULL)
+ text = g_strdup ("");
+
+ return text;
+}
+
+static void
+djvu_selection_iface_init (EvSelectionIface *iface)
+{
+ iface->get_selected_text = djvu_selection_get_selected_text;
+}
+
static void
djvu_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
- gint page,
- gint suggested_width,
- gint *width,
- gint *height)
+ EvRenderContext *rc,
+ gint *width,
+ gint *height)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
- gdouble p_width, p_height;
- gdouble page_ratio;
+ gdouble page_width, page_height;
- djvu_document_get_page_size (EV_DOCUMENT(djvu_document), page, &p_width, &p_height);
+ djvu_document_get_page_size (EV_DOCUMENT(djvu_document), rc->page,
+ &page_width, &page_height);
- page_ratio = p_height / p_width;
- *width = suggested_width;
- *height = (gint) (suggested_width * page_ratio);
-
- return;
+ if (rc->rotation == 90 || rc->rotation == 270) {
+ *width = (gint) (page_height * rc->scale);
+ *height = (gint) (page_width * rc->scale);
+ } else {
+ *width = (gint) (page_width * rc->scale);
+ *height = (gint) (page_height * rc->scale);
+ }
}
static GdkPixbuf *
-djvu_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
- gint page,
- gint rotation,
- gint width,
- gboolean border)
+djvu_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
+ EvRenderContext *rc,
+ gboolean border)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
GdkPixbuf *pixbuf, *rotated_pixbuf;
+ gdouble page_width, page_height;
gint thumb_width, thumb_height;
-
guchar *pixels;
g_return_val_if_fail (djvu_document->d_document, NULL);
+
+ djvu_document_get_page_size (EV_DOCUMENT(djvu_document), rc->page,
+ &page_width, &page_height);
- djvu_document_thumbnails_get_dimensions (document, page, width, &thumb_width, &thumb_height);
-
+ thumb_width = (gint) (page_width * rc->scale);
+ thumb_height = (gint) (page_height * rc->scale);
+
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
thumb_width, thumb_height);
gdk_pixbuf_fill (pixbuf, 0xffffffff);
pixels = gdk_pixbuf_get_pixels (pixbuf);
- while (ddjvu_thumbnail_status (djvu_document->d_document, page, 1) < DDJVU_JOB_OK)
+ while (ddjvu_thumbnail_status (djvu_document->d_document, rc->page, 1) < DDJVU_JOB_OK)
djvu_handle_events(djvu_document, TRUE);
- ddjvu_thumbnail_render (djvu_document->d_document, page,
+ ddjvu_thumbnail_render (djvu_document->d_document, rc->page,
&thumb_width, &thumb_height,
- djvu_document->d_format,
+ djvu_document->thumbs_format,
gdk_pixbuf_get_rowstride (pixbuf),
(gchar *)pixels);
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rotation);
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
g_object_unref (pixbuf);
if (border) {
GdkPixbuf *tmp_pixbuf = rotated_pixbuf;
- rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, 0, tmp_pixbuf);
+
+ rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
g_object_unref (tmp_pixbuf);
}
iface->get_dimensions = djvu_document_thumbnails_get_dimensions;
}
+/* EvFileExporterIface */
+static void
+djvu_document_file_exporter_begin (EvFileExporter *exporter,
+ EvFileExporterContext *fc)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
+
+ if (djvu_document->ps_filename)
+ g_free (djvu_document->ps_filename);
+ djvu_document->ps_filename = g_strdup (fc->filename);
+
+ g_string_assign (djvu_document->opts, "-page=");
+}
+
+static void
+djvu_document_file_exporter_do_page (EvFileExporter *exporter,
+ EvRenderContext *rc)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
+
+ g_string_append_printf (djvu_document->opts, "%d,", (rc->page) + 1);
+}
+
+static void
+djvu_document_file_exporter_end (EvFileExporter *exporter)
+{
+ int d_optc = 1;
+ const char *d_optv[d_optc];
+
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
+
+ FILE *fn = fopen (djvu_document->ps_filename, "w");
+ if (fn == NULL) {
+ g_warning ("Cannot open file “%s”.", djvu_document->ps_filename);
+ return;
+ }
+
+ d_optv[0] = djvu_document->opts->str;
+
+ ddjvu_job_t * job = ddjvu_document_print(djvu_document->d_document, fn, d_optc, d_optv);
+ while (!ddjvu_job_done(job)) {
+ djvu_handle_events (djvu_document, TRUE);
+ }
+
+ fclose(fn);
+}
+
+static EvFileExporterCapabilities
+djvu_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+ return EV_FILE_EXPORTER_CAN_PAGE_SET |
+ EV_FILE_EXPORTER_CAN_COPIES |
+ EV_FILE_EXPORTER_CAN_COLLATE |
+ EV_FILE_EXPORTER_CAN_REVERSE |
+ EV_FILE_EXPORTER_CAN_GENERATE_PS;
+}
+
+static void
+djvu_document_file_exporter_iface_init (EvFileExporterIface *iface)
+{
+ iface->begin = djvu_document_file_exporter_begin;
+ iface->do_page = djvu_document_file_exporter_do_page;
+ iface->end = djvu_document_file_exporter_end;
+ iface->get_capabilities = djvu_document_file_exporter_get_capabilities;
+}
+
static void
djvu_document_init (DjvuDocument *djvu_document)
{
+ guint masks[4] = { 0xff0000, 0xff00, 0xff, 0xff000000 };
+
djvu_document->d_context = ddjvu_context_create ("Evince");
- djvu_document->d_format = ddjvu_format_create (DDJVU_FORMAT_RGB24, 0, 0);
- ddjvu_format_set_row_order (djvu_document->d_format,1);
+ djvu_document->d_format = ddjvu_format_create (DDJVU_FORMAT_RGBMASK32, 4, masks);
+ ddjvu_format_set_row_order (djvu_document->d_format, 1);
+
+ djvu_document->thumbs_format = ddjvu_format_create (DDJVU_FORMAT_RGB24, 0, 0);
+ ddjvu_format_set_row_order (djvu_document->thumbs_format, 1);
+
+ djvu_document->ps_filename = NULL;
+ djvu_document->opts = g_string_new ("");
djvu_document->d_document = NULL;
}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff